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Finding the Fourth Proportional to 273,390.40, 410,085.60 and 153,324.10

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Solution

The fourth proportional to 273,390.40, 410,085.60 and 153,324.10 is: 229,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,390.40 : 410,085.60 = 153,324.10 : x
  2. Step 2: Convert to fraction form
    273,390.40/410,085.60 = 153,324.10/x
  3. Step 3: Cross multiply
    273,390.40x = 410,085.60 × 153,324.10
  4. Step 4: Simplify right side
    273,390.40x = 62,876,005,542.96
  5. Step 5: Solve for x
    x = 62,876,005,542.96/273,390.40
  6. Step 6: Final answer
    x = 229,986.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.